#!/usr/bin/env bash

###############################################################################
# Copyright 2017 The Apollo Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
###############################################################################


DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

source "${DIR}/apollo_base.sh"

topics=($(cat "${DIR}/topics.txt"))


while true; do
    i=0
    for msg in "${topics[@]}"; do
        echo "$i ===> $msg"
        i=$((i+1))
    done
    num="-1"
    while (( "$num" < 0 )) || (( "$num" >= "$i" )) ; do
        echo "Please Enter your topics [0 - $i ]"
        read num
    done
    echo "rostopic hz ${topics[$num]}"
    rostopic hz ${topics[$num]}
done

